Description

3-Methyl-1-Oxo-1H-Isochromene-4-Carboxylic Acid is a specialized organic compound belonging to the isochromene class, serving as a key synthetic intermediate in advanced organic chemistry. Its value lies in its fused heterocyclic structure, which provides a versatile scaffold for constructing complex molecules in pharmaceutical and agrochemical research. This product is essential for R&D chemists and process development scientists working in medicinal chemistry, particularly for the synthesis of novel active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates, particularly those targeting neurological and anti-inflammatory pathways.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic core for biological activity.
• Organic Synthesis: Serves as a versatile precursor for constructing complex polycyclic structures and fused ring systems in academic and industrial laboratories.
• Material Science: Potential intermediate in the development of organic semiconductors and specialty polymers due to its conjugated system.
• Chemical Reference Standard: Employed as an analytical standard for quality control and method development in analytical chemistry.

Basic Information

Item	Details
Product Name	3-Methyl-1-Oxo-1H-Isochromene-4-Carboxylic Acid
CAS No.	16984-81-9
Molecular Formula	C12H10O4
Molecular Weight	218.21 g/mol
Synonyms	3-Methyl-1-oxo-1H-2-benzopyran-4-carboxylic acid; 4-Carboxy-3-methyl-1H-2-benzopyran-1-one; 3-Methyl-1-oxo-1H-isochromene-4-carboxylic acid; 3-Methylisocoumarin-4-carboxylic acid; 4-Carboxy-3-methylisocoumarin; NSC 163063; 1H-2-Benzopyran-4-carboxylic acid, 3-methyl-1-oxo-
EINECS	Contact for details

Quality Control

Our 3-Methyl-1-Oxo-1H-Isochromene-4-Carboxylic Acid is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.